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This study focuses on the optimal washing conditions for dry cleaning recommended fabrics to minimizedimensional changes using wet cleaning. We suggest water-based alternatives to a perchloroethylene basedcleaning process. Wool and rayon fabrics were laundered under various washing conditions and then air-dried for 24hrs. All specimens were extended after spinning and shrunk after drying. This is probablybecause the fibers were swollen and extended by wetting. The wool fabrics were shown to be acutelyinfluenced by washing temperature and mechanical force. The optimal washing conditions for wool fabricto minimize the dimensional change implied a normal washing temperature and minimized mechanicalforce. For rayon specimens, dimensional change by a hand wash showed a remarkable decrease comparedwith a machine wash. Rayon fabric seemed to be influenced by the quantity of water contained in the fabricafter spinning and washing time. Therefore, the desirable washing conditions for rayon fabric are to reducethe time required for washing and to increase the spin speed.Key words: Wool, Rayon, Washing, Shrinkage, Detergency; , , , ,

Effect of Wet Cleaning on Shrinkage and Detergency of Wool and Rayon Fabrics